High Volume Aspiration System (HVS) Main Menu Trace Chemical Detector (Analyzer) Detection result Aspiration Sample Card Aspiration Sample Card Cleaner Hand Held Sampling System (HHS) High Volume Aspiration System (HVS) Regenerative Gas Supply (RGS) Radiation Detector (HHRAD) HVS The Aspiration Sampling System allows users to collect air samples from various sea, air or other containers, vehicles, areas, enclosures, skids, packages or hard to reach surfaces where swabbing is not a viable approach.